Electronics Forum | Wed Mar 29 13:28:45 EST 2006 | jsloot
We have been experiencing a reflow issue with a SMT diode 4007. This is a SMA or DO 214-A package. It is a lead free part used with 63/37 paste no clean flux. The problem is it is not consistant. 100 diodes can be reflowed rock solid on the board and
Electronics Forum | Thu Mar 30 13:53:53 EST 2006 | PWH
We've had poor luck with leaders - inefficient, not cost effective for the price of the parts usually. In my opinion, your best bet is to over-issue parts to a scrap # that works for you (all feeders are different as are machine scrap rates). This
Electronics Forum | Tue Apr 18 12:34:15 EDT 2006 | Chunks
Outside the box: Can you retro your oven with a belt chain combo? I always order my ovens this way just in case. No pallet or carrier needed then. Can justify retro against the cost of the pallet or carrier. Two part epoxy instead of heat cure?
Electronics Forum | Tue Apr 25 10:13:17 EDT 2006 | slthomas
What kind of parts are on the bottom? Small passives are very unlikely (won't unless other abnormal factors come into play) to fall off when reflowed a second time regardless of temperature differential. There is a simple weight/soldered surface ar
Electronics Forum | Wed Apr 26 16:10:53 EDT 2006 | muse95
I find is fascinating that a lot of people blame the Pbfree finish before anything else, as if this is some new and scary thing. It MAY be a contributing factor, but I doubt it is the main or only issue. When we started evaluating our BOM's 1.5 ye
Electronics Forum | Thu May 04 04:47:28 EDT 2006 | rlackey
Hi Pat, Not going to change, but has changed. We were first notified about a potential change 2 years ago, but as we're such a volume user we could turn around and say no thanks. However as every one else has now changed over on commodity parts &
Electronics Forum | Wed May 10 12:13:16 EDT 2006 | scombs
We have a 6 up panel with a 1206 part .082" from the board scoreline. After depanelization when we run the board through ICT it fails for a short at that location. We have visually inspected at high magnification for any cracks in the body and at the
Electronics Forum | Wed May 31 22:17:24 EDT 2006 | EC
Hi Jack, I do not know what type of machine you are using and how old is your machine. But I have this problem before using Fuji machine. There are few things cause part throw.....placment speed, feeder, pick up tolerance, part dimension tolerance,
Electronics Forum | Thu Jun 15 06:40:12 EDT 2006 | CL
Good Morning Paul, We are using the linear magazines as well as the old style and are processing 0402 and 0201's. I do have to say that the Agilis magazines work much better for smaller parts. Just make sure that you have the correct size clip for t
Electronics Forum | Fri Jun 30 20:46:03 EDT 2006 | johnwnz
individual components are not part of the RoHS directive so Dave is right part suppliers can ship them forever, they may not be able to sell them to anyone, well not legit anyway. Distribution of manufactured goods that are already in a warehouse in
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